came all in the canyon capital and they were patrolling the building. searching for more victims. two mothers in our story both hiding with their children were hoping that their time was not running out. here's kate snow. >> >> for three and a half hours after armed gunmen stormed the west gate mall, two mothers had been trapped. katherine walton coached for cover with three young daughters under a temporary kiosk, gunman patrolling nearby and faith wambua, she and her two young children had played dead all that time. they moved once and were instantly shot at. a man approached them, faith held her position. but he wasn't a terrorist. it was a police officer. >> baby, baby, touching my daughter. baby, baby. are you okay? are you okay? and i said, wow. in my mind, i'm thinking this must be a good person, finding out if we are okay. are we alive, are we okay. then he said it's safe. it's safe. it's the police. >> her nine-year-old daughter